Quantum corrections to the noncommutative kink

Details Quantum corrections to the noncommutative kink Quantum corrections to the noncommutative kink

2007-12-03

arxiv.org/abs/0712.0360v2

JHEP0801:068,2008

Physics

High Energy Physics

High Energy Physics - Theory

18 pages, v2: minor changes

Scientific paper

10.1088/1126-6708/2008/01/068

We calculate quantum corrections to the mass of noncommutative phi^4 kink in (1+1) dimensions for intermediate and large values of the noncommutativity parameter theta. All one-loop divergences are removed by a mass renormalization (which is different from the one required in the topologically trivial sector). For large theta quantum corrections to the mass grow linearly with theta signaling about possible break down of the perturbative expansion.

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